So I was entering my infor mation on Mr. Malty's yeast pitching calculator and noticed something that I found odd. This is only my fifth yeast starter so maybe this should be obvious but here it goes.

I'm doing a simple starter of WY1056 with intermittent shaking for a 5.25 gallon batch. When I entered the OG as 1.056 the calculator indicated I needed a 1.85 L starter. When I entered an OG of 1.063 it recommended a starter of 1 L. When I entered 1.07 it recommends a 1.21 L starter. I thought a higher OG wort would need a larger starter. Is there a zone of optimal development? Is there a point of dininishing return?